Should you wet or dry cut concrete? You can put new concrete over old concrete. However, unresolved issues with your old concrete, such as cracks or frost heaves, will carry over to your new concrete if not taken care of. In addition, you must pour it at least 2 inches thick.
Can you add onto a concrete slab? Adding fresh concrete is a common way to level out old slabs and patch damage. If you plan on pouring a lot of concrete, build a wood and mesh barrier first to ensure your new slab is strong. Finish the work by priming the surface and pouring a mix over it, giving your concrete foundation a fresh, new coat.
How thick does a concrete overlay have to be? The recommended thickness of a concrete overlay should be between 1 and 2 inches. Some people will even go to ¼ of an inch in thickness, which is still sufficient depending on your needs. If you place a 2-inch overlay, you need a very rough surface on the existing slab. Ensure the surface is rough enough.
Can you add onto a concrete porch? The best way to increase the depth of your porch is by adding a concrete extension. Secure the extension to the existing structure by connecting it to the old porch with steel rebar set into the old slab and protruding into the new.
Should you wet or dry cut concrete? – Related Questions
Why would you put foam under concrete?
Concrete contractors learned that a layer of poly helps to keep a slab dry, because it stops upward vapor diffusion from the soil. … The foam layer isolates the room-temperature slab from the cold soil under the slab.
Are concrete tub too heavy for second floor?
Concrete contractors learned that a layer of poly helps to keep a slab dry, because it stops upward vapor diffusion from the soil. … The foam layer isolates the room-temperature slab from the cold soil under the slab.
How can we make concrete stronger?
You can add more Portland cement to bagged concrete to make it stronger. You can also add hydrated lime. To make the strongest concrete, the sand should be sourced from volcanic lava that has a high silica content.
How much does a concrete inground pool cost?
Concrete. The initial price of installing a concrete in-ground pool runs between $35,000 and $65,000, but expect to pay an additional $27,000 to $40,000 over 10 years. Typical upkeep includes acid washing and replastering.
Can fresh concrete get wet?
Rain falling on top of freshly laid concrete can damage the surface and compromise a level and floated finish. Even worse, if too much extra water works its way into the concrete mix, this can result in weak concrete overall.
What is a concrete at east coast custard?
Rain falling on top of freshly laid concrete can damage the surface and compromise a level and floated finish. Even worse, if too much extra water works its way into the concrete mix, this can result in weak concrete overall.
What cleans motor oil off concrete?
Rain falling on top of freshly laid concrete can damage the surface and compromise a level and floated finish. Even worse, if too much extra water works its way into the concrete mix, this can result in weak concrete overall.
How do you stain existing concrete?
Dampen the area with water but do not let it puddle. Spray in an overlapping manner, maintaining a wet edge. Allow acid stain to react with the concrete floor for at least 6-hours. Clean residue and pour water on floor to approximate the final color.
Can you pour a concrete slab yourself?
Used for walkways, patios, and floors, concrete slabs are inexpensive to install and durable enough to last for years. When you pour your own concrete slab, you’re giving yourself a design material that is adaptive to many of your outdoor design needs, while saving money that would have been spent on a contractor.
Which is strongeradobe vs concrete?
Used for walkways, patios, and floors, concrete slabs are inexpensive to install and durable enough to last for years. When you pour your own concrete slab, you’re giving yourself a design material that is adaptive to many of your outdoor design needs, while saving money that would have been spent on a contractor.
How to set steel post in concrete?
Set the post into the hole and attach 2×4 braces to adjacent sides of the post. Use a level to position the post perfectly vertical. Fill the hole with Fast-Setting Concrete up to 3 to 4 inches below ground level. Pour about a gallon of water per 50 lb bag into the hole and allow the water to saturate the concrete mix.
What will remove battery acid stains from concrete?
Pour chlorine bleach into a spray bottle. Spray affected area until completely covered and let it set for a five minutes. Scrub battery acid stains with a hard bristle brush. If the stain remains, spray on another application of bleach and let it set longer.
Can mortar be used to patch concrete?
Whether you’re fixing a walkway, steps or the floor, concrete repair techniques are essentially the same. The basic materials that you’ll need for most jobs are patching mortar and liquid bonding agent, which helps the new patch stick to the old concrete. You’ll have to mix the mortar with water as directed.
How thin can concrete be?
Be sure you never make your slab thinner than four inches for any application. Six inches is the minimum thickness for a concrete slab that may see any kind of heavy vehicle traffic.
What to put on concrete to keep from slipping?
An acrylic sealer or concrete coatings are the only types of products that can be applied to concrete to make it more slip resistant, simply because the non-slip additive can be added directly into the top coat.
How to mix concrete for pavers?
Your mixture should be made of one part of cement, two parts of sand and three parts of gravel. If you are planning on using a colorant powder, you will also want to add that before mixing in the water.
Do you have to acid etch concrete before staining?
You may get marks that look like water spots,” he says. Schmidt also warns against acid etching of floors before staining. A lot of people think they need to acid etch the concrete like they do before applying a paint or coating, to get the paint to adhere. … All-Purpose Concrete Cleaner Removes sealers and coatings.
How soon can you drill into concrete?
Unfortunately, you can’t just drill into fresh concrete as soon as the surface is dry. You’ll need to let it cure properly for the best results. It’s always best to wait at least 3 days before drilling. New or ‘green’ concrete can be prone to cracking if drill before it has sufficiently cured.
What does a concrete thought process mean in clinical terms?
(1) Concrete thinking is defined by the American Heritage Medical Dictionary (2007) as “thinking characterized by a predominance of actual objects and events and the absence of concepts and generalizations.”